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本文以一个PDA项目为依托,在项目中,主要是开发该设备的软件。其工作包括：上层应用程序的开发、引导程序的编写、Linux操作系统的移植和各种外设驱动程序的编写以及文件系统的改进。 本文首先分析了Linux操作系统的虚拟文件系统、高速缓冲区、MTD以及驱动程序模块。接着,本文分析了JFFS2文件系统的不足,以及在大容量闪存设备 ...

Ti LaunchPad_Temp_GUI for your reference Select COM port that LaunchPad is connected to * receive serial communication from LaunchPad for * instantaneous temperature readings.

雷达信号处理是雷达系统的重要组成部分。在数字信号处理技术飞速发展的今天，雷达信号处理中也普遍使用数字信号处理技术。而现场可编程门阵列(FPGA)在数字信号处理中的广泛应用，使得FPGA在雷达信号处理中也占据了重要地位。 针对雷达信号处理的设计与实现，本文在以下两个方面展开研究： 一方面以线性调频信号(LFM)为例， ...

We would like to welcome you as a user of the Allegro CX, a rugged, handheld fi  eld PC for data collection. Developed with the input of data collection professionals worldwide, the Allegro CX is adaptable and versatile for use in a wide variety of data collection environments. The Allegr ...

  Abstract: Transimpedance amplifiers (TIAs) are widely used to translate the current output of sensors like photodiode-to-voltagesignals, since several circuits and instruments can only accept voltage input. An operational amplifier with a feedback resistor fromoutput to the inverting inpu ...

Abstract: Using a wafer-level package (WLP) can reduce the overall size and cost of your solution.However when using a WLP IC, the printed circuit board (PCB) layout can become more complex and, ifnot carefully planned, result in an unreliable design. This article presents some PCB designconsidera ...

Abstract: How smart is your LED lighting system? While LED lighting holds the promise of reducingenergy consumption and maintenance costs, smart LED lighting designs improve system performance in

  Removing output capacitors saves money and boardspace. Linear Technology’s OPTI-LOOPTM architectureallows you to use the output capacitors of your choice andcompensate the control loop for optimum transientresponse and loop stability. Figure 1 shows the dramaticimprovement possible ...

This white paper raises some fundamental issues the design engineer should address before deciding upon a communication approach for a wireless network. As no universal wireless network solution exists, it should be custom tailored to suit the application demands. Defining your application communica ...

Safety GuidelinesThis manual contains notices which you should observe to ensure your own personal safety, as well as toprotect the product and connected equipment. These notices are highlighted in the manual by a warningtriangle and are marked as follows according to the level of danger: